Home / 66,628,707.49-91,970,731.83-45,789,723.55

Finding the Fourth Proportional to 66,628,707.49, 91,970,731.83 and 45,789,723.55

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Solution

The fourth proportional to 66,628,707.49, 91,970,731.83 and 45,789,723.55 is: 63,205,704.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,628,707.49 : 91,970,731.83 = 45,789,723.55 : x
  2. Step 2: Convert to fraction form
    66,628,707.49/91,970,731.83 = 45,789,723.55/x
  3. Step 3: Cross multiply
    66,628,707.49x = 91,970,731.83 × 45,789,723.55
  4. Step 4: Simplify right side
    66,628,707.49x = 4,211,314,385,186,885
  5. Step 5: Solve for x
    x = 4,211,314,385,186,885/66,628,707.49
  6. Step 6: Final answer
    x = 63,205,704.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.